10. Rift Valleys (graben) & Block Mountains (horst) formations: tensional Flashcards

1
Q

description

A

both formed @ divergent plate boundaries –> fault is a fracture in rocks along which rocks are displaced –> tensional forces from movements result in parts of crust fracturing

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2
Q

rift valley e.g.

down

A

East African Rift Valley, African Plate (Nubian) and African Plate (Somalian)

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3
Q

block mountain e.g.

up

A

Vosages in France, Black Forest in Germany separated by Rhine Valley, Eurasian Plate & North American Plate

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